Xerox Phaser 780 Tabloid 产品宣传页
44
Phaser 780 Color Laser Printer
3
Troubleshooting
Printing PANTONE Colors
If printer-specific PANTONE Colors are not printing as expected, make sure that you
are printing without any color corrections selected. Refer to “PANTONE® Color
files” on page 71 for more information.
are printing without any color corrections selected. Refer to “PANTONE® Color
files” on page 71 for more information.
There are many variables in process reproduction of colors generated by your
printer, any one of which may affect the quality of the PANTONE Color simulation,
including:
printer, any one of which may affect the quality of the PANTONE Color simulation,
including:
■
Type of media used
■
Print quality mode selected
■
Effective final resolution
■
Dot structure/halftones
■
Density of the toner colors
Using the Tektronix halftone screens
Tektronix halftone screens are designed for Tektronix printers and improve print
quality over application-set halftone screens. The Setscreen Off (SCRENOFF.PS)
utility file redefines some PostScript operators, such as the setscreen, setcolorscreen
and sethalftone. When downloaded to the printer, this file prevents applications from
overriding the Tektronix proprietary halftone screens.
quality over application-set halftone screens. The Setscreen Off (SCRENOFF.PS)
utility file redefines some PostScript operators, such as the setscreen, setcolorscreen
and sethalftone. When downloaded to the printer, this file prevents applications from
overriding the Tektronix proprietary halftone screens.
N
O
T
E
The printer’s default setting is off.
Refer to “Using the files on the printer’s CD-ROM” on page 79 for instructions on
using these files.
using these files.
Macintosh file names
PC file names
Setscreen On
Setscreen Off
Apple Printer Utility
SCREENON.PS
SCRENOFF.PS